This software has interfaces friendly and a lot of map operations. It is good for the constellation design, simulation and demo of mobile satellite communications system in military or in civil USES.
该软件界面友好，具有丰富的地图操作内容，是军用及民用卫星移动通信系统星座设计仿真、演示的有效工具。
It also helps that the mobile communications and satellite technologies used by the project are able to surmount physical barriers such as geographic location.
不仅如此，该项目采用的移动通讯和卫星技术还能克服环境上的阻碍，如地理位置的不同。
The new feature of the system consists of its capacity to be integrated with mobile system from any other SIVE through satellite communications.
该系统的最新功能可集成到移动系统，通过卫星通讯与其他SIVE系统沟通。
Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.
Selex通信公司将提供Tetra移动通信计划，以及HF、卫星和微波无线连接。
The first appeared in 2001 in a Boeing-built satellite-based mobile communications system.
首个产品为2001年应用波音公司的星载移动通信系统中。原文。
This is why I wrote this on satellite mobile communications for the report.
这也是我写了这份关于卫星移动通信调查报告的原因。
Our country in 2001 are north-south split, constituted the China Telecom, China Netcom, China Mobile, China Unicom, China Railcom with China satellite communications market pattern.
我国于是在2001年进行南北拆分，构成了中国电信、中国网通、中国移动、中国联通、中国铁通加中国卫星通讯的市场格局。
In satellite mobile communications, Doppler frequency offset is a negative factor that couldn't be neglected.
在卫星移动通信中，多普勒频偏是一个不能忽视的消极因素。
LEO satellite mobile communication system has become an important branch of global mobile communications system since it proposed.
低轨卫星移动通信系统自从提出以来就成为全球移动通信系统的一个重要分支。
CAAC is planning to establish the aeronautical mobile satellite services (AMSS) communications system in China.
中国民航正在计划实施航空卫星移动业务(AMSS)通信。
The new sequences can be used as the scramblers and descramblers in digital microwave communications as well as optical fiber, satellite and mobile communications.
这种新序列可用于数字微波、光纤、卫星、移动通信中作为扰码器或加密器。
The design principles, technical terminal equipment and the implementation of the LEO satellite - based mobile communications system are described in this article.
本文介绍全球星低轨移动卫星通信系统的设计思想、技术体系和终端设备以及目前的实施情况。
Based on the systematic study in the future of civil satellite broadcast operations, satellite data communications business is expected to extend to the mobile carrier.
基于该系统的研究，今后民用卫星直播业务、卫星数据通信业务有望扩展到移动载体上。
Subsequently, China Telecom was divided into three companies:the new China Telecom, China Mobile and China Satellite Communications, with the paging business incorporated into China Unicom.
随后，中国电信拆分为新中国电信、中国移动和中国卫星通行公司，寻呼业务并入中国联通公司。
Subsequently, China Telecom was divided into three companies:the new China Telecom, China Mobile and China Satellite Communications, with the paging business incorporated into China Unicom.
随后，中国电信拆分为新中国电信、中国移动和中国卫星通行公司，寻呼业务并入中国联通公司。
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